llvm/llvm/test/LTO/Resolution/X86/dead-strip-fulllto.ll

; RUN: opt -module-summary -o %t %s
; RUN: opt -module-summary -o %t2 %S/Inputs/dead-strip-fulllto.ll

; Adding '--pass-remarks-with-hotness' should not cause crash.
; RUN: llvm-lto2 run --pass-remarks-output=%t4.yaml --pass-remarks-filter=. --pass-remarks-with-hotness \
; RUN:               %t -r %t,main,px -r %t,live1, -r %t,live2,p -r %t,dead2,p \
; RUN:               %t2 -r %t2,live1,p -r %t2,live2, -r %t2,dead1,p -r %t2,dead2, -r %t2,odr, \
; RUN:               -save-temps -o %t3

; RUN: cat %t4.yaml | FileCheck %s -check-prefix=REMARK
; RUN: llvm-nm %t3.0 | FileCheck --check-prefix=FULL %s
; RUN: llvm-nm %t3.1 | FileCheck --check-prefix=THIN %s

; RUN: llvm-lto2 run %t -r %t,main,px -r %t,live1, -r %t,live2,p -r %t,dead2,p \
; RUN:               %t2 -r %t2,live1,p -r %t2,live2, -r %t2,dead1,p -r %t2,dead2, -r %t2,odr, \
; RUN:               -save-temps -o %t3 -O0
; RUN: llvm-nm %t3.0 | FileCheck --check-prefix=FULL %s
; RUN: llvm-nm %t3.1 | FileCheck --check-prefix=THIN %s

; REMARK:      Pass:            lto
; REMARK-NEXT: Name:            deadfunction
; REMARK-NEXT: DebugLoc:        { File: test.c, Line: 4, Column: 0 }
; REMARK-NEXT: Function:        dead2
; REMARK-NEXT: Args:
; REMARK-NEXT:   - Function:        dead2
; REMARK-NEXT:     DebugLoc:        { File: test.c, Line: 4, Column: 0 }
; REMARK-NEXT:   - String:          ' not added to the combined module '

; FULL-NOT: dead
; FULL: U live1
; FULL: T live2
; FULL: T main

; THIN-NOT: dead
; THIN: T live1
; THIN: U live2
; THIN-NOT: odr

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

define void @main() {
  call void @live1()
  ret void
}

declare void @live1()

define void @live2() {
  ret void
}

define void @dead2() !dbg !7 {
  ret void
}

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, emissionKind: LineTablesOnly, enums: !2)
!1 = !DIFile(filename: "test.c", directory: "/")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 2}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"ThinLTO", i32 0}
!7 = distinct !DISubprogram(name: "dead2", scope: !1, file: !1, line: 4, type: !8, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: false, unit: !0, retainedNodes: !2)
!8 = !DISubroutineType(types: !2)